Absorbent structure for sanitary articles, an absorbent sanitary article and a plaster comprising this absorbent structure

Abstract

An absorbent structure including an absorbent pad having cellulose fluff mixed with superabsorbent granular material, and at least one fluff-free absorbent insert inserted into at least one through-opening of the absorbent pad.

1 . An absorbent structure, comprising:
 an absorbent pad comprising cellulose fluff having at least one through-opening, and   at least one fluff-free absorbent insert comprising a non-woven layer in which superabsorbent material is incorporated,   wherein said at least one fluff-free absorbent insert is inserted in said at least one through-opening of said absorbent pad, so that said at least one fluff-free absorbent insert is surrounded by the cellulose fluff.   
     
     
         2 . The absorbent structure of  claim 1 , comprising a non-woven web to which said at least one fluff-free absorbent insert is fixed. 
     
     
         3 . The absorbent structure of  claim 1 , comprising two non-woven webs sandwiching the absorbent pad and said at least one fluff-free absorbent insert. 
     
     
         4 . The absorbent structure of  claim 3 , wherein said two non-woven webs are fixed to each other through a gap formed between the absorbent pad and said at least one fluff-free absorbent insert. 
     
     
         5 . The absorbent structure of  claim 3 , comprising at least one acquisition and distribution layer arranged outside of said two non-woven webs on a surface of an assembly formed by the absorbent pad and at least one fluff-free absorbent insert. 
     
     
         6 . The absorbent structure of  claim 1 , comprising two non-woven webs sandwiching the absorbent pad,
 wherein the two non-woven webs have respective portions superimposed on each other inside the at least one through-opening, and   wherein said at least one fluff-free absorbent insert is housed in a respective through-opening of the absorbent pad superimposed on the portions of the two non-woven webs, which extend inside the respective through-opening.   
     
     
         7 . The absorbent structure of  claim 1 , wherein the at least one through-opening comprises two through-openings within which respective fluff-free absorbent inserts are inserted. 
     
     
         8 . The absorbent structure of  claim 1 , wherein said at least one through-opening has at least one curved side. 
     
     
         9 . The absorbent structure of  claim 1 , wherein said absorbent pad comprises cellulose fluff mixed with superabsorbent granular material. 
     
     
         10 . An absorbent sanitary article comprising an absorbent structure according to  claim 1 . 
     
     
         11 . The absorbent structure of  claim 1 , comprising at least one acquisition and distribution layer arranged on a surface of an assembly formed by the absorbent pad and the at least one fluff-free absorbent insert.